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ParamISM: Higher noise-floor, tonal lines

Basic info

Bug description

The output of the BASOP decoder has the following two issues:

  • Higher noise-floor for inactive portions (e.g. 5.7 - 6.2s)
  • Weak tonal lines (e.g. 5.7 - 6.5s)

Float:

Bildschirmfoto 2024-11-10 um 19.20.52.png

BASOP:

Bildschirmfoto 2024-11-10 um 19.20.41.png

Ways to reproduce

  • ./IVAS_cod_flt_ref -dtx -ism 4 bm6ba1s13.wav.0.csv bm6ba1s13.wav.1.csv bm6ba1s13.wav.2.csv bm6ba1s13.wav.3.csv -max_band FB 24400 48 bm6ba1s13.wav paramISM4--bm6ba1s13--24400--dtx.192
  • ./IVAS_dec_flt_ref BINAURAL 48 paramISM4--bm6ba1s13--24400--dtx.192 paramISM4--bm6ba1s13--24400--dtx.dec.BINAURAL.flt.wav
  • ./IVAS_dec_fx BINAURAL 48 paramISM4--bm6ba1s13--24400--dtx.192 paramISM4--bm6ba1s13--24400--dtx.dec.BINAURAL.fx.wav